Heave Motion Measurement by Adaptive Filter Based on Longuet-Higgins Wave Model

Table 1

Four-group simulation experiments.

Simulation number	Cutoff frequency	Maximum value of absolute error (m)	Average value of errors (m)	Standard deviation of errors (m)	Error ratio (%)
1		0.4925		0.1869	16.37
		0.1226		0.0453	4.076
2		0.5006		0.1868	16.64
		0.1206		0.0453	4.009
3		0.4929		0.1872	16.39
		0.1181		0.0453	3.926
4		0.5000		0.1871	16.62
		0.1263		0.0453	4.199